<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>labostat</title>
  </head>
  <body bgcolor="#FFFFFF">
    <center></center>
    <div align="right">Last update : July 2000</div>
    <p>
      <b>labostat</b> -     Statistical toolbox for Scilab</p>
    <h3>
      <font color="blue">Contents</font>
    </h3>
    <dl>
      <pre>

centre: centering variables
centrered: centering and reducing variables
cmoment: central moments of all orders
correl: correlation
covar: covariance
ftest: fischer test and his p-value
geomean: geometric mean
harmean: harmonic mean
iqr: interquartile range
mad: mean absolute deviation
meanf:  arithmetic mean of a vector or matrix with a table of frequences
median: 50th percentile of a sample
mn: arithmetic mean of a vector or matrix
moment: moments of all orders
msd:  mean squared  deviation
mvvacov : multivariable matrix of variance-covariance
nand2mean: estimate of the difference of means of two independent samples
nanmax:  maximum ignoring NaNs
nanmean: mean ignoring NaNs
nanmeanf:  mean with frequency table ignoring NaNs
nanmedian: 50th percentile of a sample ignoring NaNs
nanmin: minimum ignoring NANs
nanstdev:  standard deviation ignoring NaNs
nanstdevf: standard deviation with frequency table ignoring NaNs
nansum: sum ignoring NaNs
nfreq: frequency of the values of a sample
pca: principal component analysys
pctl: vector of  percentiles of a sample in decreasing order
perctl: vector of  percentiles of a sample in decreasing order
quart: quartils
stdev: standard deviation
stdevf: standard deviation with frequences 
strange: distance between largest and smallest value
tabul: frequences of values
var: variance
varf: variance with frequence table
   
    </pre>
    </dl>
    <h3>
      <font color="blue">References</font>
    </h3>
    <dl>
      <p>
     Wonacott, T.H. &amp; Wonacott, R.J.; Introductory Statistics, 5th edition, J.Wiley &amp; Sons, 1990.</p>
      <p>
     Saporta,  Gilbert, Probabilites, Analyse  des Donnees  et Statistique, Editions Technip, Paris, 1990.</p>
    </dl>
  </body>
</html>
